## Is there a 16×16 Sudoku?

Hexadecimal Sudokus (also known as 16×16 Sudoku) are a larger version of regular Sudoku that feature a 16 x 16 grid, and 16 hexadecimal digits. Each row, column and 4×4 block contains all the digits 0 thru F (or numbers from 1 to 16, in the decimal versions).

## How many 4×4 Sudoku puzzles are possible?

Your students could now be asked to find all the sixteen possible arrangements with the digits 1, 2, 3, 4 in that order across the top row. Then they should show that the top row can be rearranged in 4! = 24 different ways. Hence the total possible 4×4 Sudoku Latin squares is 16 x 24 = 384.

**How many different Sudokus are there?**

6,670,903,752,021,072,936,960

There are 6,670,903,752,021,072,936,960 possible solvable Sudoku grids that yield a unique result (that’s 6 sextillion, 670 quintillion, 903 quadrillion, 752 trillion, 21 billion, 72 million, 936 thousand, 960 in case you were wondering). That’s way more than the number of stars in the universe.

### Can Sudoku have more than 9 numbers?

The short answer is no. While people commonly think that Sudokus can only have one unique solution, any puzzle with seven or fewer starting clues must mathematically have multiple solutions. This is because in these Sudoku puzzles there cannot be a clue for every digit from 1 to 9 in the initial clue.

### How do you play Supersudoku?

Killer Sudoku Complete the grid so that every row, column and every three-by-three box contains the digits 1 to 9. Each “cage” (region outlined by a dashed line) has a cage total of all numbers within that cage. Numbers may not be repeated within a cage. Solve the puzzle by logic and reasoning alone.

**What is Sudoku 3×3?**

A 3×3 box is a group of nine cells three cells wide and three cells high as shown by the two large teal squares in Figure 1. The nine 3×3 boxes in a sudoku puzzle are delineated by the bold lines.

#### Can Sudoku increase IQ?

Brain training games do not make you smarter, according to scientists. Practising a game like sudoku or using a brain training app might make you better at it but it won’t boost your IQ or general brain power, a study claims.

#### Can Sudoku be solved mathematically?

In fact, mathematical thinking in the form of logical deduction is very useful in solving Sudokus. The most basic strategy to solve a Sudoku puzzle is to first write down, in each empty cell, all possible entries that will not contradict the One Rule with respect to the given cells.

**How many 9 * 9 Sudoku are there?**

6670903752021072936960

They discovered that the number of possible 9 by 9 Sudoku grids is N=6670903752021072936960 which is approximately 6.671×1021.

## What is the highest number used in a Sudoku puzzle?

Since this applies to Latin squares in general, most variants of Sudoku have the same maximum. The number of classic 9×9 Sudoku solution grids is 6,670,903,752,021,072,936,960 (sequence A107739 in the OEIS), or around 6.67×1021.

## How to solve Sudoku puzzles step by step?

Step 1: Know the sudoku grid. Every sudoku puzzle involves a 9×9 grid of squares subdivided into 3×3 boxes. In total there are 81 squares on a sudoku grid and when the puzzle is completed each square will contain exactly one number.

**How to play Sudoku for Dummies?**

How to Play Sudoku? Sudoku Rule № 1: Use Numbers 1-9. Sudoku is played on a grid of 9 x 9 spaces. Within the rows and columns are 9 “squares” (made up of 3 x 3 spaces). Each row, column and square (9 spaces each) needs to be filled out with the numbers 1-9, without repeating any numbers within the row, column or square.

### What are sudoku puzzles?

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